// index.js
import.meta.compileTime("./codegen.js", "someName");
// TypeError: (intermediate value).compileTime is not a function

// codegen.js
export default async ({ root, args }) => { // currently only "root" is passed
  const name = args[0];
  return {
    code: `const ${name} = 42;`,
  }
}

// static code
/** @type {Record<string, () => any>} */
const someFiles = {};

// generated code
someFiles["./a.js"] = () => import("./a.js");
someFiles["./b.js"] = () => import("./b.js");